gpu/command_buffer/common/gles2_cmd_utils_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
   6
   7 #include <limits>
   8 #include <GLES2/gl2.h>
   9 #include <GLES2/gl2ext.h>
  10 #include <GLES2/gl2extchromium.h>
  11
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace gpu {
  15 namespace gles2 {
  16
  17 class GLES2UtilTest : public testing:: Test {
  18  protected:
  19   GLES2Util util_;
  20 };
  21
  22 TEST_F(GLES2UtilTest, SafeMultiplyUint32) {
  23   uint32_t result = 0;
  24   EXPECT_TRUE(SafeMultiplyUint32(2u, 3u, &result));
  25   EXPECT_EQ(6u, result);
  26   EXPECT_FALSE(SafeMultiplyUint32(0x80000000u, 2u, &result));
  27   EXPECT_EQ(0u, result);
  28   EXPECT_TRUE(SafeMultiplyUint32(0x2u, 0x7FFFFFFFu, &result));
  29   EXPECT_EQ(0xFFFFFFFEu, result);
  30   EXPECT_FALSE(SafeMultiplyUint32(2u, 0x80000000u, &result));
  31   EXPECT_EQ(0u, result);
  32 }
  33
  34 TEST_F(GLES2UtilTest, SafeAddUint32) {
  35   uint32_t result = 0;
  36   EXPECT_TRUE(SafeAddUint32(2u, 3u, &result));
  37   EXPECT_EQ(5u, result);
  38   EXPECT_FALSE(SafeAddUint32(0x80000000u, 0x80000000u, &result));
  39   EXPECT_EQ(0u, result);
  40   EXPECT_TRUE(SafeAddUint32(0xFFFFFFFEu, 0x1u, &result));
  41   EXPECT_EQ(0xFFFFFFFFu, result);
  42   EXPECT_FALSE(SafeAddUint32(0xFFFFFFFEu, 0x2u, &result));
  43   EXPECT_EQ(0u, result);
  44   EXPECT_TRUE(SafeAddUint32(0x1u, 0xFFFFFFFEu, &result));
  45   EXPECT_EQ(0xFFFFFFFFu, result);
  46   EXPECT_FALSE(SafeAddUint32(0x2u, 0xFFFFFFFEu, &result));
  47   EXPECT_EQ(0u, result);
  48 }
  49
  50 TEST_F(GLES2UtilTest, SafeAddInt32) {
  51   int32_t result = 0;
  52   const int32_t kMax = std::numeric_limits<int32_t>::max();
  53   const int32_t kMin = std::numeric_limits<int32_t>::min();
  54   EXPECT_TRUE(SafeAddInt32(2, 3, &result));
  55   EXPECT_EQ(5, result);
  56   EXPECT_FALSE(SafeAddInt32(kMax, 1, &result));
  57   EXPECT_EQ(0, result);
  58   EXPECT_TRUE(SafeAddInt32(kMin + 1, -1, &result));
  59   EXPECT_EQ(kMin, result);
  60   EXPECT_FALSE(SafeAddInt32(kMin, -1, &result));
  61   EXPECT_EQ(0, result);
  62   EXPECT_TRUE(SafeAddInt32(kMax - 1, 1, &result));
  63   EXPECT_EQ(kMax, result);
  64   EXPECT_FALSE(SafeAddInt32(1, kMax, &result));
  65   EXPECT_EQ(0, result);
  66   EXPECT_TRUE(SafeAddInt32(-1, kMin + 1, &result));
  67   EXPECT_EQ(kMin, result);
  68   EXPECT_FALSE(SafeAddInt32(-1, kMin, &result));
  69   EXPECT_EQ(0, result);
  70   EXPECT_TRUE(SafeAddInt32(1, kMax - 1, &result));
  71   EXPECT_EQ(kMax, result);
  72 }
  73
  74 TEST_F(GLES2UtilTest, GLGetNumValuesReturned) {
  75   EXPECT_EQ(0, util_.GLGetNumValuesReturned(GL_COMPRESSED_TEXTURE_FORMATS));
  76   EXPECT_EQ(0, util_.GLGetNumValuesReturned(GL_SHADER_BINARY_FORMATS));
  77
  78   EXPECT_EQ(0, util_.num_compressed_texture_formats());
  79   EXPECT_EQ(0, util_.num_shader_binary_formats());
  80
  81   util_.set_num_compressed_texture_formats(1);
  82   util_.set_num_shader_binary_formats(2);
  83
  84   EXPECT_EQ(1, util_.GLGetNumValuesReturned(GL_COMPRESSED_TEXTURE_FORMATS));
  85   EXPECT_EQ(2, util_.GLGetNumValuesReturned(GL_SHADER_BINARY_FORMATS));
  86
  87   EXPECT_EQ(1, util_.num_compressed_texture_formats());
  88   EXPECT_EQ(2, util_.num_shader_binary_formats());
  89 }
  90
  91 TEST_F(GLES2UtilTest, ComputeImageDataSizesFormats) {
  92   const uint32_t kWidth = 16;
  93   const uint32_t kHeight = 12;
  94   uint32_t size;
  95   uint32_t unpadded_row_size;
  96   uint32_t padded_row_size;
  97   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
  98       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 1, &size, &unpadded_row_size,
  99       &padded_row_size));
 100   EXPECT_EQ(kWidth * kHeight * 3, size);
 101   EXPECT_EQ(kWidth * 3, padded_row_size);
 102   EXPECT_EQ(padded_row_size, unpadded_row_size);
 103   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 104       kWidth, kHeight, GL_RGBA, GL_UNSIGNED_BYTE, 1, &size, &unpadded_row_size,
 105       &padded_row_size));
 106   EXPECT_EQ(kWidth * kHeight * 4, size);
 107   EXPECT_EQ(kWidth * 4, padded_row_size);
 108   EXPECT_EQ(padded_row_size, unpadded_row_size);
 109   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 110       kWidth, kHeight, GL_LUMINANCE, GL_UNSIGNED_BYTE, 1, &size,
 111       &unpadded_row_size, &padded_row_size));
 112   EXPECT_EQ(kWidth * kHeight * 1, size);
 113   EXPECT_EQ(kWidth * 1, padded_row_size);
 114   EXPECT_EQ(padded_row_size, unpadded_row_size);
 115   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 116       kWidth, kHeight, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, 1, &size,
 117       &unpadded_row_size, &padded_row_size));
 118   EXPECT_EQ(kWidth * kHeight * 2, size);
 119   EXPECT_EQ(kWidth * 2, padded_row_size);
 120   EXPECT_EQ(padded_row_size, unpadded_row_size);
 121   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 122       kWidth, kHeight, GL_BGRA_EXT, GL_UNSIGNED_BYTE, 1, &size,
 123       &unpadded_row_size, &padded_row_size));
 124   EXPECT_EQ(kWidth * kHeight * 4, size);
 125   EXPECT_EQ(kWidth * 4, padded_row_size);
 126   EXPECT_EQ(padded_row_size, unpadded_row_size);
 127   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 128       kWidth, kHeight, GL_ALPHA, GL_UNSIGNED_BYTE, 1, &size, &unpadded_row_size,
 129       &padded_row_size));
 130   EXPECT_EQ(kWidth * kHeight * 1, size);
 131   EXPECT_EQ(kWidth * 1, padded_row_size);
 132   EXPECT_EQ(padded_row_size, unpadded_row_size);
 133   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 134       kWidth, kHeight, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 1, &size,
 135       &unpadded_row_size, &padded_row_size));
 136   EXPECT_EQ(kWidth * kHeight * 2, size);
 137   EXPECT_EQ(kWidth * 2, padded_row_size);
 138   EXPECT_EQ(padded_row_size, unpadded_row_size);
 139   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 140       kWidth, kHeight, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, 1,
 141       &size, &unpadded_row_size,
 142       &padded_row_size));
 143   EXPECT_EQ(kWidth * kHeight * 4, size);
 144   EXPECT_EQ(kWidth * 4, padded_row_size);
 145   EXPECT_EQ(padded_row_size, unpadded_row_size);
 146 }
 147
 148 TEST_F(GLES2UtilTest, ComputeImageDataSizeTypes) {
 149   const uint32_t kWidth = 16;
 150   const uint32_t kHeight = 12;
 151   uint32_t size;
 152   uint32_t unpadded_row_size;
 153   uint32_t padded_row_size;
 154   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 155       kWidth, kHeight, GL_RGBA, GL_UNSIGNED_BYTE, 1, &size, &unpadded_row_size,
 156       &padded_row_size));
 157   EXPECT_EQ(kWidth * kHeight * 4, size);
 158   EXPECT_EQ(kWidth * 4, padded_row_size);
 159   EXPECT_EQ(padded_row_size, unpadded_row_size);
 160   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 161       kWidth, kHeight, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 1, &size,
 162       &unpadded_row_size, &padded_row_size));
 163   EXPECT_EQ(kWidth * kHeight * 2, size);
 164   EXPECT_EQ(kWidth * 2, padded_row_size);
 165   EXPECT_EQ(padded_row_size, unpadded_row_size);
 166   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 167       kWidth, kHeight, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 1, &size,
 168       &unpadded_row_size, &padded_row_size));
 169   EXPECT_EQ(kWidth * kHeight * 2, size);
 170   EXPECT_EQ(kWidth * 2, padded_row_size);
 171   EXPECT_EQ(padded_row_size, unpadded_row_size);
 172   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 173       kWidth, kHeight, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 1, &size,
 174       &unpadded_row_size, &padded_row_size));
 175   EXPECT_EQ(kWidth * kHeight * 2, size);
 176   EXPECT_EQ(kWidth * 2, padded_row_size);
 177   EXPECT_EQ(padded_row_size, unpadded_row_size);
 178   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 179       kWidth, kHeight, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 1, &size,
 180       &unpadded_row_size, &padded_row_size));
 181   EXPECT_EQ(kWidth * kHeight * 4, size);
 182   EXPECT_EQ(kWidth * 4, padded_row_size);
 183   EXPECT_EQ(padded_row_size, unpadded_row_size);
 184 }
 185
 186 TEST_F(GLES2UtilTest, ComputeImageDataSizesUnpackAlignment) {
 187   const uint32_t kWidth = 19;
 188   const uint32_t kHeight = 12;
 189   uint32_t size;
 190   uint32_t unpadded_row_size;
 191   uint32_t padded_row_size;
 192   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 193       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 1, &size, &unpadded_row_size,
 194       &padded_row_size));
 195   EXPECT_EQ(kWidth * kHeight * 3, size);
 196   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 197   EXPECT_EQ(kWidth * 3, padded_row_size);
 198   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 199       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 2, &size, &unpadded_row_size,
 200       &padded_row_size));
 201   EXPECT_EQ((kWidth * 3 + 1) * (kHeight - 1) +
 202             kWidth * 3, size);
 203   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 204   EXPECT_EQ(kWidth * 3 + 1, padded_row_size);
 205   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 206       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 4, &size, &unpadded_row_size,
 207       &padded_row_size));
 208   EXPECT_EQ((kWidth * 3 + 3) * (kHeight - 1) +
 209             kWidth * 3, size);
 210   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 211   EXPECT_EQ(kWidth * 3 + 3, padded_row_size);
 212   EXPECT_TRUE(GLES2Util::ComputeImageDataSizes(
 213       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 8, &size, &unpadded_row_size,
 214       &padded_row_size));
 215   EXPECT_EQ((kWidth * 3 + 7) * (kHeight - 1) +
 216             kWidth * 3, size);
 217   EXPECT_EQ(kWidth * 3, unpadded_row_size);
 218   EXPECT_EQ(kWidth * 3 + 7, padded_row_size);
 219 }
 220
 221 TEST_F(GLES2UtilTest, RenderbufferBytesPerPixel) {
 222    EXPECT_EQ(1u, GLES2Util::RenderbufferBytesPerPixel(GL_STENCIL_INDEX8));
 223    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_RGBA4));
 224    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB565));
 225    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB5_A1));
 226    EXPECT_EQ(2u, GLES2Util::RenderbufferBytesPerPixel(GL_DEPTH_COMPONENT16));
 227    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB));
 228    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGBA));
 229    EXPECT_EQ(
 230        4u, GLES2Util::RenderbufferBytesPerPixel(GL_DEPTH24_STENCIL8_OES));
 231    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGB8_OES));
 232    EXPECT_EQ(4u, GLES2Util::RenderbufferBytesPerPixel(GL_RGBA8_OES));
 233    EXPECT_EQ(
 234        4u, GLES2Util::RenderbufferBytesPerPixel(GL_DEPTH_COMPONENT24_OES));
 235    EXPECT_EQ(0u, GLES2Util::RenderbufferBytesPerPixel(-1));
 236 }
 237
 238 TEST_F(GLES2UtilTest, GetChannelsForCompressedFormat) {
 239   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(GL_ETC1_RGB8_OES));
 240   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 241       GL_COMPRESSED_RGB_S3TC_DXT1_EXT));
 242   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 243       GL_COMPRESSED_RGBA_S3TC_DXT1_EXT));
 244   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 245       GL_COMPRESSED_RGBA_S3TC_DXT3_EXT));
 246   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 247       GL_COMPRESSED_RGBA_S3TC_DXT5_EXT));
 248   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(GL_ATC_RGB_AMD));
 249   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 250       GL_ATC_RGBA_EXPLICIT_ALPHA_AMD));
 251   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 252       GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD));
 253   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 254       GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG));
 255   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 256       GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG));
 257   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 258       GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG));
 259   EXPECT_EQ(0u, GLES2Util::GetChannelsForFormat(
 260       GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG));
 261 }
 262
 263 namespace {
 264
 265 void CheckParseUniformName(
 266     const char* name,
 267     bool expected_success,
 268     size_t expected_array_pos,
 269     int expected_index,
 270     bool expected_getting_array) {
 271   int index = 1234;
 272   size_t array_pos = 1244;
 273   bool getting_array = false;
 274   bool success = GLES2Util::ParseUniformName(
 275       name, &array_pos, &index, &getting_array);
 276   EXPECT_EQ(expected_success, success);
 277   if (success) {
 278     EXPECT_EQ(expected_array_pos, array_pos);
 279     EXPECT_EQ(expected_index, index);
 280     EXPECT_EQ(expected_getting_array, getting_array);
 281   }
 282 }
 283
 284 }  // anonymous namespace
 285
 286 TEST_F(GLES2UtilTest, ParseUniformName) {
 287   CheckParseUniformName("u_name", true, std::string::npos, 0, false);
 288   CheckParseUniformName("u_name[]", false, std::string::npos, 0, false);
 289   CheckParseUniformName("u_name]", false, std::string::npos, 0, false);
 290   CheckParseUniformName("u_name[0a]", false, std::string::npos, 0, false);
 291   CheckParseUniformName("u_name[a0]", false, std::string::npos, 0, false);
 292   CheckParseUniformName("u_name[0a0]", false, std::string::npos, 0, false);
 293   CheckParseUniformName("u_name[0]", true, 6u, 0, true);
 294   CheckParseUniformName("u_name[2]", true, 6u, 2, true);
 295   CheckParseUniformName("u_name[02]", true, 6u, 2, true);
 296   CheckParseUniformName("u_name[20]", true, 6u, 20, true);
 297   CheckParseUniformName("u_name[020]", true, 6u, 20, true);
 298   CheckParseUniformName("u_name[0][0]", true, 9u, 0, true);
 299   CheckParseUniformName("u_name[3][2]", true, 9u, 2, true);
 300   CheckParseUniformName("u_name[03][02]", true, 10u, 2, true);
 301   CheckParseUniformName("u_name[30][20]", true, 10u, 20, true);
 302   CheckParseUniformName("u_name[030][020]", true, 11u, 20, true);
 303 }
 304
 305 }  // namespace gles2
 306 }  // namespace gpu